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apioauthaccesstoken.php 2.71 KB
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<?php
/**
 * StatusNet, the distributed open-source microblogging tool
 *
 * Exchange an authorized OAuth request token for an access token
 *
 * PHP version 5
 *
 * LICENCE: This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @category  API
 * @package   StatusNet
 * @author    Zach Copley <zach@status.net>
 * @copyright 2010 StatusNet, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
 * @link      http://status.net/
 */

if (!defined('STATUSNET')) {
    exit(1);
}

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require_once INSTALLDIR . '/lib/apioauth.php';
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/**
 * Exchange an authorized OAuth request token for an access token
 *
 * @category API
 * @package  StatusNet
 * @author   Zach Copley <zach@status.net>
 * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
 * @link     http://status.net/
 */

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class ApiOauthAccessTokenAction extends ApiOauthAction
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{

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    /**
     * Class handler.
     *
     * @param array $args array of arguments
     *
     * @return void
     */
    function handle($args)
    {
        parent::handle($args);

        $datastore   = new ApiStatusNetOAuthDataStore();
        $server      = new OAuthServer($datastore);
        $hmac_method = new OAuthSignatureMethod_HMAC_SHA1();

        $server->add_signature_method($hmac_method);

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        $atok = null;
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        try {
            $req  = OAuthRequest::from_request();
            $atok = $server->fetch_access_token($req);

        } catch (OAuthException $e) {
            common_log(LOG_WARN, 'API OAuthException - ' . $e->getMessage());
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            common_debug(var_export($req, true));
            $this->outputError($e->getMessage());
            return;
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        }

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        if (empty($atok)) {
            common_debug('couldn\'t get access token.');
            print "Token exchange failed. Has the request token been authorized?\n";
        } else {
            print $atok;
        }
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    }

    function outputError($msg)
    {
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        header('HTTP/1.1 401 Unauthorized');
        header('Content-Type: text/html; charset=utf-8');
        print $msg . "\n";
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    }
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}
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